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Subjects
Class 11MathematicsPermutations and CombinationsFundamental principle of countingEasy
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A question paper has 3 questions in the first section and 7 in the second section. How many ways are there to choose one question from each section?

Answer and explanation

Correct answer: 21 ways

There are 3 choices for the first section and 7 for the second. By the fundamental counting principle, the number of pairs is 3 × 7 = 21.

Related tags

Fundamental Principle Of CountingPermutations And CombinationsMathematicsClass 11 Mcq
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